Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones
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Gemtypes in Category:
Actinolite Cat's Eye (55)
Agate (545)
Agate Geode (17)
Alexandrite (28)
Almandine Garnet (320)
Amazonite (280)
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Apatite (271)
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Aventurine (134)
Axinite (10)
Beryl (580)
Black Opal (6)
Bloodstone (211)
Boulder Opal (229)
Calcite (71)
Carnelian (30)
Cat's Eye Apatite (30)
Cat's Eye Aquamarine (15)
Cat's Eye Beryl (3)
Cat's Eye Moonstone (36)
Cat's Eye Opal (142)
Cat's Eye Scapolite (79)
Cavansite (36)
Chalcedony (221)
Charoite (125)
Chocolate Opal (75)
Chrome Diopside (112)
Chrome Tourmaline (2)
Chrysoberyl (93)
Chrysoberyl Cat's Eye (55)
Chrysocolla (49)
Chrysoprase (19)
Cinnabar (78)
Citrine (4507)
Clinohumite (32)
Color-Change Diaspore (855)
Color-Change Fluorite (55)
Color-Change Garnet (193)
Coral (267)
Demantoid Garnet (235)
Dendritic Agate (198)
Diamond (600)
Druzy Amethyst (3)
Druzy Azurite (13)
Druzy Citrine (45)
Druzy Variscite (130)
Emerald (1)
Enstatite (3)
Feather Pyrite (43)
Fire Agate (314)
Fire Opal (123)
Fluorite (159)
Fossil Coral (322)
Golden Beryl (149)
Grandidierite (165)
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Hematite (352)
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Hiddenite (10)
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Idocrase (22)
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Ruby (4)
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Tiger's Eye Matrix (281)
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Uvarovite Garnet Drusy (50)
Variscite (5)
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ID:
539135
Weight:
1.96ct (total)
Size:
6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
25.87
Item in Stock
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ID:
714791
Weight:
0.49ct
Size:
4.2 mm
Clarity:
SI
Content:
1 pc
Price:
$
14.70
Item in Stock
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ID:
430361
Weight:
2.51ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
16.57
Item in Stock
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ID:
346225
Weight:
2.74ct (total)
Size:
2.5 x 2.4 mm
Clarity:
VVS-VS
Content:
30 pcs
Price:
$
307.43
Item in Stock
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ID:
648665
Weight:
7.90ct (total)
Size:
12 x 8 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
14.22
Item in Stock
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ID:
494379
Weight:
34.80ct
Size:
28.1 x 18 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
19.75
Item in Stock
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ID:
418317
Weight:
8.31ct
Size:
15.4 x 11.2 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
16.45
Item in Stock
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ID:
447582
Weight:
2.05ct
Size:
7.9 x 7.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
88.42
Item in Stock
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ID:
551885
Weight:
0.96ct
Size:
7 x 5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
3.61
Item in Stock
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ID:
706949
Weight:
1.27ct
Size:
10 x 5 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
3.05
Item in Stock
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ID:
712694
Weight:
1.02ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
20.36
Item in Stock
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ID:
386581
Weight:
10.77ct (total)
Size:
17.8 x 8 mm
Clarity:
Translucent
Content:
4 pcs
Price:
$
95.82
Item in Stock
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ID:
526642
Weight:
2.40ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
25.34
Item in Stock
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ID:
718548
Weight:
6.63ct
Size:
12 x 12 mm (calibrated)
Clarity:
Translucent
Price:
$
29.83
Item in Stock
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ID:
700897
Weight:
0.75ct
Size:
5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
45.00
Item in Stock
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ID:
450183
Weight:
11.34ct (total)
Size:
6.8 x 5.3 mm
Clarity:
Transparent
Content:
10 pcs
Price:
$
149.69
Item in Stock
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ID:
433908
Weight:
5.18ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
34.19
Item in Stock
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ID:
624922
Weight:
1.74ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
32.30
Item in Stock
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ID:
664243
Weight:
3.26ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
15.65
Item in Stock
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ID:
604554
Weight:
5.62ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
47.21
Item in Stock
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ID:
497504
Weight:
1.66ct
Size:
7.9 x 6.5 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
43.82
Item in Stock
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ID:
721838
Weight:
18.67ct
Size:
18.4 x 14.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
22.40
Item in Stock
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ID:
465593
Weight:
4.38ct
Size:
14 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
38.33
Item in Stock
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ID:
694126
Weight:
0.74ct
Size:
7.7 x 3.8 mm
Clarity:
VVS
Content:
1 pc
Price:
$
22.20
Item in Stock
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ID:
658437
Weight:
16.66ct
Size:
16 x 16 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
24.40
Item in Stock
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ID:
394338
Weight:
3.76ct (total)
Size:
7.7 x 7.6 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
24.82
Item in Stock
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ID:
372546
Weight:
2.68ct
Size:
9.8 x 7.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
17.69
Item in Stock
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ID:
456770
Weight:
1.66ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
15.34
Item in Stock
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ID:
692358
Weight:
22.52ct
Size:
20 x 15 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
189.17
Item in Stock
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ID:
737353
Weight:
4.04ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
181.80
Item in Stock
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ID:
739535
Weight:
0.46ct
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
4.14
Item in Stock
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ID:
715509
Weight:
0.40ct
Size:
4.7 x 3.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
25.44
Item in Stock
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ID:
566213
Weight:
8.55ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
33.86
Item in Stock
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ID:
479559
Weight:
2.24ct (total)
Size:
10 x 5.2 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
23.65
Item in Stock
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ID:
476467
Weight:
6.18ct
Size:
16 x 12 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
57.11
Item in Stock
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ID:
392185
Weight:
13.89ct
Size:
15 x 15 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
91.68
Item in Stock
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ID:
692142
Weight:
0.73ct
Size:
5.2 mm
Clarity:
SI-I1
Content:
1 pc
Price:
$
43.80
Item in Stock
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ID:
686112
Weight:
13.39ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
16.07
Item in Stock
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ID:
710221
Weight:
2.71ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
22.76
Item in Stock
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ID:
612313
Weight:
0.73ct
Size:
6.6 x 4.6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
3.38
Item in Stock
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ID:
725437
Weight:
23.46ct
Size:
22.4 x 20.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
84.46
Item in Stock
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ID:
365501
Weight:
1.37ct
Size:
7.1 x 6 mm
Clarity:
VS
Price:
$
50.21
Item in Stock
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Select
1
2
3
pcs 0 in Cart
ID:
474888
Weight:
1.96ct
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
18.11
Item in Stock
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ID:
431422
Weight:
1.48ct
Size:
6 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
35.16
Item in Stock
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ID:
431321
Weight:
1.34ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
14.14
Item in Stock
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ID:
478915
Weight:
2.44ct (total)
Size:
5 mm (calibrated)
Clarity:
Transparent
Content:
6 pcs
Price:
$
112.73
Item in Stock
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ID:
575966
Weight:
12.89ct (total)
Size:
17.9 x 11.8 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
35.90
Item in Stock
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ID:
734939
Weight:
5.84ct
Size:
11 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
35.04
Item in Stock
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ID:
722727
Weight:
17.74ct
Size:
22.4 x 15.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
149.02
Item in Stock
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ID:
453731
Weight:
1.97ct
Size:
12.2 x 7.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
18.20
Item in Stock
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ID:
577345
Weight:
8.32ct
Size:
17.9 x 12.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
64.14
Item in Stock
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ID:
485219
Weight:
8.18ct (total)
Size:
9 x 9 mm (calibrated)
Clarity:
Translucent
Content:
4 pcs
Price:
$
43.19
Item in Stock
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ID:
712155
Weight:
2.45ct
Size:
10 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
6.53
Item in Stock
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ID:
480284
Weight:
7.72ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
71.33
Item in Stock
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ID:
687925
Weight:
36.66ct
Size:
25 x 18 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
43.99
Item in Stock
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ID:
506052
Weight:
39.04ct
Size:
23.7 x 17.6 mm
Clarity:
IF
Content:
1 pc
Price:
$
309.19
Item in Stock
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ID:
693234
Weight:
19.33ct
Size:
18.4 x 14.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
162.37
Item in Stock
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ID:
491382
Weight:
32.89ct
Size:
28.2 x 24.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
58.18
Item in Stock
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ID:
512373
Weight:
12.08ct
Size:
18 x 13 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
79.73
Item in Stock
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ID:
692169
Weight:
0.47ct
Size:
4.7 mm
Clarity:
SI-I1
Content:
1 pc
Price:
$
28.20
Item in Stock
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FAQs
What are loose untreated gemstones?
Loose untreated gemstones are natural stones that have not undergone any artificial treatments or enhancements. Examples include unheated sapphires, untreated rubies, and unenhanced diamonds, which maintain their natural beauty and originality.
Why should I choose untreated gemstones over treated ones?
Untreated gemstones, such as unheated topaz and virgin untreated stones, are valued for their authenticity and rarity. These certified untreated gems are perfect for collectors and those seeking ethically sourced, natural stones for unique jewelry designs.
Are untreated gemstones suitable for engagement rings?
Yes, untreated gemstones like GIA-certified natural gems, unenhanced diamonds, and untreated rubies are excellent choices for engagement rings. They offer timeless elegance and are ideal for creating one-of-a-kind designs that reflect personal style.
What makes rare untreated gems valuable for collectors?
Rare untreated gems for collectors, such as authentic untreated crystals and unheated and untreated stones, are prized for their natural appearance and limited availability. Their untouched state makes them highly desirable and a great investment.
How can I ensure the quality of loose untreated gemstones?
Always choose certified untreated gems, like GIA-certified natural gems, to guarantee authenticity and quality. These stones undergo thorough evaluation to ensure they meet the highest standards, making them ideal for both personal collections and jewelry projects.
What types of untreated gemstones are available?
Our collection includes a variety of untreated gemstones such as unheated sapphires, untreated rubies, unenhanced diamonds, and unheated topaz. Each stone is carefully selected to offer unmatched quality and natural beauty.
Are untreated gemstones more expensive than treated ones?
In many cases, untreated gemstones, like precious untreated gemstones and virgin untreated stones, can be more valuable due to their rarity and natural state. Their unique characteristics make them highly sought after by collectors and jewelry enthusiasts.
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 10
Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.
Posted By Sal in July, 2025
Source: Bizrate
Overall Rating -> 10
I'm happy.
Posted By Ray in January, 2025
Source: Bizrate
Overall Rating -> 10
Excellent selection and easy to use, well done site
Posted By Steph in December, 2024
Source: Bizrate
Overall Rating -> 9
It was a good experience looking for and finding a nice amethyst stone
Posted By N/a in May, 2025
Source: Bizrate
Overall Rating -> 10
Good. I ts very user friendly.
Posted By Shalini in June, 2025
Source: Bizrate
Overall Rating -> 9
I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.
Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate
Overall Rating -> 10
Good selection, trusted quality. What I have purchased has always been as discribed.
Posted By Sterling in November, 2024
Source: Bizrate
Overall Rating -> 10
the selection is good as are the prices
Posted By Old man in August, 2025
Source: Bizrate
Overall Rating -> 10
I always enjoy the selection and the unique cuts I can find here. I would love to see more hex cuts tho! Maybe some rose cuts too!
Posted By Blkfower83 in October, 2024
Source: Bizrate